B lymphocytes differentiate into:
cytotoxic and suppressor cells
helper and suppressor cells
memory and plasma cells
memory and helper cells
None of the choices are correct
memory and plasma cells
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Which type of reflex occurs with the smallest delay?
A. Polysynaptic B. Monosynaptic
The nuclei in the spinal cord that contain the cell bodies of the visceral motor neurons are located in (the)
A) gray commissures. B) anterior gray horn. C) posterior gray horn. D) lateral gray horn. E) None of the answers are correct.
What is a malignant tumor derived from epithelial tissue?
A. Lymphoma B. Carcinoma C. Melanoma D. Sarcoma E. Both "Carcinoma" and "Sarcoma" are correct.
Which of the following are the two most common related risk factors?
a. Age and immunologic exposure b. Diabetes and obesity c. Familial tendency and age d. Smoking and obesity